"Our hearts go out to all of the lives disrupted by Hurricane Irma and Harvey," he said at the Steve Jobs Theater at the Apple Park campus in Cupertino, California. "You're in our prayers."

Cook has been among the most vocal tech leaders commenting on social issues, especially in response to actions by President Donald Trump. Last month, Cook denounced white supremacy and Trump's response to the tragedy in Charlottesville, Virginia, and he pledged to donate millions to civil rights groups.